hbase monitoring

BlogThat Yi-Wipe smilecsdn Blog Address:http://blog.csdn.net/u012185296 itdog8 address link: http://www.itdog8.com/thread-203-1-1.html blog post title:Hbase-mapreduce-hbase As an example of an input source | That Yi-wipe smile Personality Signature:The furthest distance in the world is not the horizon, nor the cape, but I stand in front of you, but you do not feel my presenceTechnical Direction:Flume+kafka+storm+redis/

1.zookeeper InstallationMove the extracted files from the desktop to the installation directory softwareExtractShow FilesModify the Zoo.cfg fileMy Cong is the mainframe.Note: If more than one cluster machine should matchCreate DataDir specify directories and create myID filesI was on a machine, the host is the cluster machine, if you want to configure more than one cluster machine, use the following commandSend zookeeper to slave nodeModify the value from the node myIDStart the Zookeeper service

Original To blur a lookup, you can write this. But Row_key can only be technical to the right of the query. such as: row_1000, row_1001,row_1002,row_1003,row_1004,row_1005,row_1000,row_10006, Scan followed by table name Scan ' table ', {LIMIT = = 10000, StartRow = ' row_1004 '} will be found, row_1004,row_1005,row_1000,row_10006 and other records Query number Interval Count ' table ', {INTERVAL = 10000} Count ' table ', 10000 same effect HBase home pa

The Eclipse,hbase version is not currently found to be specifically specified.1: Copy an hbase deployment file from the HBase cluster, placed in a directory on the development side (as in the/app/hadoop/hbase096 directory).2: Create a new Java project in Eclipse HBase, then select the project Properties, Libraries->add

First, the HBase Foundation1. ConceptHBase is a column-oriented distributed database developed on HDFS for random, real-time access to ultra-large datasets, which is a column-family-oriented memory. Since both tuning and storage are performed at the column family level, it is best to have the same "access mode" and size characteristics for all members of the column family2. RegionalHBase automatically divides the table horizontally into regions.

eclipse,hbase version is not currently found to require special designation 1: Copy a hbase deployment file from the HBase cluster and place it in a directory on the development side (for example, under the/app/hadoop/hbase096 directory). 2: Create a new Java project hbase in Eclipse, then select the project Propertie

On hadoop2.5.2 Pseudo-distributed, the pseudo-distributed hbase1.0.1.1 is installed.When you create a TESTAPI table with the APIs of HBase, you are promptedException in thread "main" java.lang.noclassdeffounderror:org/apache/hadoop/hbase/hbaseconfigurationAt Com.wonderad.mr.ADReport2HBase.main (adreport2hbase.java:152)At Sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)At Sun.reflect.NativeMethod

Ubuntu14.04,eclipse operation of HBase. The following is a example that uses the HBase Java API to manipulate hbase to view the student1 column families in HBase:Import Java.io.ioexception;import Org.apache.hadoop.conf.configuration;import Org.apache.hadoop.hbase.hbaseconfiguration;import Org.apache.hadoop.hbase.hcolumndescriptor;import Org.apache.hadoop.hbase.ht

When using MapReduce and HBase, when running the program, it appearsJava.lang.noclassdeffounderror:org/apache/hadoop/hbase/xxx error, due to the lack of hbase supported jar packs in the running environment of Hadoop, you can resolve 1 by following these methods . Turn off the Hadoop process (all) 2. Add in the profile hadoop-env.sh of Hadoop: hadoop_classpath=/

Let's take a look at some of the basic operations commands of the HBase shell, and I've listed several common hbase shell commands, as follows: Name Command-expression Create a table Create ' table name ', ' column name 1 ', ' Column Name 2 ', ' Column name n ' Add a record Put ' table name ', ' Row name ', ' Column name: ', ' value ' View Record

to increase, when the increase to a threshold, the region will be divided into two new region. As the table gets bigger, the region grows more and more3. Each region is the smallest unit of distributed operation and load balancing in HBase, and different region may be distributed on different regionserver4, region, although the smallest unit of distributed operation, but not the smallest unit of storage, in region, but also divided into a lot of smal

define an available column family, which users can add or remove column families as needed, but must first be disable.3. HBase is a master/slave structure and relies on zookeeper,master to manage multiple regionserver.Third, installation (standalone)1. Java 1.6 or later must be installed.2, can be modified ~/.base_profile,export java_home point to the JAVA installation path, you can also modify the conf/hbase